Installing the SIM module
1. Slide the SIM module into the slot on the computer.
2. Tighten the screws to secure the SIM module to the computer.
3. Connect the SIM module cable to the connector.
4. Install the:
a. base cover
b. optical drive
c. hard drive
d. battery
5. Follow the procedure in After working inside your computer.
WLAN card
Removing the WLAN card
1. Follow the procedure in Before working inside your computer.
2. Remove:
a. battery
b. hard drive
c. optical drive
d. base cover
3. To remove the WLAN card:
a. Disconnect the antenna cables from the WLAN card [1].
b. Remove the screw that secures the WLAN card [2].
c. Slide and lift the WLAN card from the slot [3].
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Disassembly and reassembly